free (EN)

adjective, verb

adjective “free”

1. available without needing to pay
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   The museum offers free admission every Sunday.
2. not being used or occupied
   The parking spot next to the blue car is free if you want to park there.
3. without obligations (in "free to do something")
   After finishing his homework, he was free to play video games all evening.
4. not under physical restraint or in captivity
   After years of captivity, the bird was finally free and flew into the open sky.
5. (of a country) providing individual freedoms
   In a free society, everyone has the right to express their opinions without fear of government retaliation.
6. (about software) available for use, modification, and distribution with minimal or no restrictions
   Linux is a free operating system that allows users to modify and share it without restrictions.
7. unobstructed; not blocked
   After hours of work, the path through the snow was finally free.
8. not attached to anything or chemically combined
   In the experiment, they discovered a molecule with a free electron.
9. without; not containing
   She drinks only water that is free of impurities.
10. (group theory) characterized by having a set of generators satisfying no non-trivial relations
    In our study, we found that the group generated by the letters a and b is free.
11. (logic) unconstrained by quantifiers
    In the expression x > 5, x is a free variable.

verb “free”

1. to liberate
   The police freed the people who were taken hostage.
2. (in "to free from") to remove something that restricts or burdens
   The locksmith freed the dog from its tight chain.
3. (programming) return memory space to the system for reuse
   After the program finished using the data, it freed the memory to prevent leaks.